diff --git a/project/xumu/AppAccountConfigManage/AppAccountConfigManage.vue b/project/xumu/AppAccountConfigManage/AppAccountConfigManage.vue
index 1f195796..47901170 100644
--- a/project/xumu/AppAccountConfigManage/AppAccountConfigManage.vue
+++ b/project/xumu/AppAccountConfigManage/AppAccountConfigManage.vue
@@ -100,7 +100,7 @@ export default {
         </template>
       </el-table-column>
     </ai-table>
-    <ai-dialog v-model="dialog" title="认证材料" width="500px" @close="userId=''"
+    <ai-dialog v-model="dialog" title="认证材料" width="50vw" @close="userId=''"
                @open="getTreeData" customFooter>
       <el-button class="mar-b8" type="primary" @click="createNode(treeData)">新增根节点</el-button>
       <el-tree :data="treeData" :props="{label:'name'}" default-expand-all>
@@ -108,7 +108,7 @@ export default {
           <div class="flex" style="width: 100%">
             <span class="fill" v-text="node.label"/>
             <el-button size="mini" type="text" @click="createNode(data)">增加子节点</el-button>
-            <el-button size="mini" type="text" @click="handleDelete(data)">删除</el-button>
+            <el-button size="mini" type="text" @click="handleDelete(data)" v-if="$isEmpty(data.children)" class="del">删除</el-button>
           </div>
         </template>
       </el-tree>
@@ -120,5 +120,9 @@ export default {
 <style scoped lang="scss">
 .AppAccountConfigManage {
   height: 100%;
+
+  .el-button .del {
+    color: #f46;
+  }
 }
 </style>
diff --git a/ui/lib/js/utils.js b/ui/lib/js/utils.js
index fe929360..ffca0d91 100644
--- a/ui/lib/js/utils.js
+++ b/ui/lib/js/utils.js
@@ -15,12 +15,12 @@ import $reg from "./regular"
  */
 const addChild = (parent, pending, config) => {
   let conf = {
-        key: 'id',
-        parent: 'parentId',
-        children: 'children',
-        ...config
-      },
-      doBeforeCount = pending.length
+      key: 'id',
+      parent: 'parentId',
+      children: 'children',
+      ...config
+    },
+    doBeforeCount = pending.length
   for (let i = pending.length - 1; i >= 0; i--) {
     let e = pending[i]
     if (e[conf.parent] == parent[conf.key]) {
@@ -58,7 +58,7 @@ const $decimalCalc = (...arr) => {
     return ('' + e).length - index
   })
   let maxDecimal = Math.max(...decimalLengthes),
-      precision = Math.pow(10, maxDecimal)
+    precision = Math.pow(10, maxDecimal)
   // 计算
   let intArr = arr.map(e => (Number(e) || 0) * precision)
   // 返回计算值
@@ -86,10 +86,10 @@ const $colorUtils = {
       if (color.length == 4) {
         // 检测诸如#FFF简写格式
         color =
-            '#' +
-            color.charAt(1).repeat(2) +
-            color.charAt(2).repeat(2) +
-            color.charAt(3).repeat(2)
+          '#' +
+          color.charAt(1).repeat(2) +
+          color.charAt(2).repeat(2) +
+          color.charAt(3).repeat(2)
       }
       hex = parseInt(color.slice(1), 16)
     }
@@ -170,8 +170,8 @@ export default {
   },
   $dateFormat: (time, format) => {
     return $moment(time)
-        .format(format || 'YYYY-MM-DD')
-        .replace('Invalid Date', '')
+      .format(format || 'YYYY-MM-DD')
+      .replace('Invalid Date', '')
   },
   $copy,
   $download: (url, name) => {
@@ -190,7 +190,7 @@ export default {
   $arr2tree: (list, config = {}) => {
     let result = []
     const {key = 'id', parent = 'parentId', children = 'children'} = config, itemMap = {},
-        ids = list?.map(e => `#${e[key]}#`)?.toString()
+      ids = list?.map(e => `#${e[key]}#`)?.toString()
     for (const e of list) {
       const id = e[key], pid = e[parent]
       itemMap[id] = {...e, [children]: [itemMap[id]?.[children]].flat().filter(Boolean)}
@@ -230,5 +230,11 @@ export default {
       }
       return max
     } else return 0
+  },
+  $isEmpty(obj) {
+    if (obj === null || obj === undefined) return true;
+    if (typeof obj === 'string' && obj.trim() === '') return true;
+    if (Array.isArray(obj) && obj.length === 0) return true;
+    return typeof obj === 'object' && Object.keys(obj).length === 0;
   }
 }